* {
  padding: 0;
  margin: 0;
}
.circle-menu {
  position: fixed;
  right: 10px;
  bottom: 10px;
}
.circle-menu-switch {
  position: relative;
  z-index: 2;
  width: 50px;
  height: 50px;
  text-align: center;
  line-height: 50px;
  border-radius: 50%;
  background: #f00;
  transition: .5s;
}
.circle-menu-container {
  position: absolute;
  right: 0px;
  bottom: 0px;
}
.circle-menu-item {
  position: absolute;
  left: -50px;
  top: -50px;
  width: 50px;
  height: 50px;
  text-align: center;
  line-height: 50px;
  border-radius: 50%;
  background: grey;
  transition: all 0.3s ease;
}
